CVE-2020-14346
HIGH7.8EPSS 0.15%Published: 9/15/2020Modified: 4/28/2026
Description
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected packages (2)
- Alpine/xorg-serverfrom 0, < 1.20.5-r2
- Debian/xorg-serverfrom 0, < 2:1.20.9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |